Robotic vacuum



FIG. 1 is a front elevational view of a robotic vacuum showing my new design;

FIG. 2 is a rear elevational view of the robotic vacuum of FIG. 1;

FIG. 3 is a top view of the robotic vacuum of FIG. 1;

FIG. 4 is a bottom view of the robotic vacuum of FIG. 1;

FIG. 5 is a left side view of the robotic vacuum of FIG. 1; and,

FIG. 6 is a right side view of the robotic vacuum of FIG. 1.

The broken line representations are for purposes of illustration only and form no part of the claimed design. 

CLAIM The ornamental design for a robotic vacuum, as shown and described. 